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Note Segment reporting (Results of Operations) (Parenthetical) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |
Gain from the FDIC termination agreement | $ 102,752 | [1] | $ 0 | $ 0
Expenses associated with the FDIC Termination Agreement | 8,100 |  |  |
Income tax (benefit) expense | (119,579) |  | $ (230,830) | $ (78,784)
Closing Agreement With PR Department of Treasury and FDIC Termination Agreement |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income tax (benefit) expense | $ 63,900 |  |  |
[1] | Refer to Note 10 for additional information of the Termination Agreement with the FDIC.

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324 + Details
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